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52731601 = 1322917713
BaseRepresentation
bin1100100100100…
…1111011010001
310200020001011021
43021021323101
5101444402401
65122115441
71210132306
oct311117321
9120201137
1052731601
112784703a
12157abb81
13ac03840
1470090ad
1549692a1
hex3249ed1

52731601 has 8 divisors (see below), whose sum is σ = 57039080. Its totient is φ = 48460032.

The previous prime is 52731577. The next prime is 52731647. The reversal of 52731601 is 10613725.

52731601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23040000 + 29691601 = 4800^2 + 5449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52731601 - 211 = 52729553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52731691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5880 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (7129885).

Almost surely, 252731601 is an apocalyptic number.

It is an amenable number.

52731601 is a deficient number, since it is larger than the sum of its proper divisors (4307479).

52731601 is a wasteful number, since it uses less digits than its factorization.

52731601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17955.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 52731601 is about 7261.6527733017. The cubic root of 52731601 is about 374.9934244773.

The spelling of 52731601 in words is "fifty-two million, seven hundred thirty-one thousand, six hundred one".

Divisors: 1 13 229 2977 17713 230269 4056277 52731601